'\" t
.\"     Title: lastlog
.\"    Author: Julianne Frances Haugh
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 22.07.2021
.\"    Manual: Befehle zur Systemverwaltung
.\"    Source: shadow-utils 4.9
.\"  Language: German
.\"
.TH "LASTLOG" "8" "22.07.2021" "shadow\-utils 4\&.9" "Befehle zur Systemverwaltung"
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.SH "NAME"
lastlog \- berichtet die letzte Anmeldung f\(:ur alle oder einen bestimmten Benutzer
.SH "\(:UBERSICHT"
.HP \w'\fBlastlog\fR\ 'u
\fBlastlog\fR [\fIOptionen\fR]
.SH "BESCHREIBUNG"
.PP
\fBlastlog\fR
formats and prints the contents of the last login log
/var/log/lastlog
file\&. The
\fIlogin\-name\fR,
\fIport\fR, and
\fIlast login time\fR
will be printed\&. The default (no flags) causes lastlog entries to be printed, sorted by their order in
/etc/passwd\&.
.SH "OPTIONEN"
.PP
The options which apply to the
\fBlastlog\fR
command are:
.PP
\fB\-b\fR, \fB\-\-before\fR\ \&\fIDAYS\fR
.RS 4
Print only lastlog records older than
\fIDAYS\fR\&.
.RE
.PP
\fB\-C\fR, \fB\-\-clear\fR
.RS 4
Clear lastlog record of a user\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-h\fR, \fB\-\-help\fR
.RS 4
zeigt die Hilfe an und beendet das Programm
.RE
.PP
\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
.RS 4
Apply changes in the
\fICHROOT_DIR\fR
directory and use the configuration files from the
\fICHROOT_DIR\fR
directory\&.
.RE
.PP
\fB\-S\fR, \fB\-\-set\fR
.RS 4
Set lastlog record of a user to the current time\&. This option can be used only together with
\fB\-u\fR
(\fB\-\-user\fR))\&.
.RE
.PP
\fB\-t\fR, \fB\-\-time\fR\ \&\fIDAYS\fR
.RS 4
Print the lastlog records more recent than
\fIDAYS\fR\&.
.RE
.PP
\fB\-u\fR, \fB\-\-user\fR\ \&\fILOGIN\fR|\fIRANGE\fR
.RS 4
gibt nur die Lastlog\-Eintr\(:age f\(:ur die angegebenen Benutzer aus
.sp
The users can be specified by a login name, a numerical user ID, or a
\fIRANGE\fR
of users\&. This
\fIRANGE\fR
of users can be specified with a min and max values (\fIUID_MIN\-UID_MAX\fR), a max value (\fI\-UID_MAX\fR), or a min value (\fIUID_MIN\-\fR)\&.
.RE
.PP
If the user has never logged in the message
\fI** Never logged in**\fR
will be displayed instead of the port and time\&.
.PP
Es werden nur Eintr\(:age f\(:ur auf dem System vorhandene Benutzer angezeigt, selbst wenn Eintr\(:age \(:uber gel\(:oschte Benutzer noch vorhanden sind\&.
.SH "ANMERKUNGEN"
.PP
The
lastlog
file is a database which contains info on the last login of each user\&. You should not rotate it\&. It is a sparse file, so its size on the disk is usually much smaller than the one shown by "\fBls \-l\fR" (which can indicate a really big file if you have in
passwd
users with a high UID)\&. You can display its real size with "\fBls \-s\fR"\&.
.SH "KONFIGURATION"
.PP
The following configuration variables in
/etc/login\&.defs
change the behavior of this tool:
.PP
\fBLASTLOG_UID_MAX\fR (number)
.RS 4
Highest user ID number for which the lastlog entries should be updated\&. As higher user IDs are usually tracked by remote user identity and authentication services there is no need to create a huge sparse lastlog file for them\&.
.sp
No
\fBLASTLOG_UID_MAX\fR
option present in the configuration means that there is no user ID limit for writing lastlog entries\&.
.RE
.SH "DATEIEN"
.PP
/var/log/lastlog
.RS 4
Datenbank mit Zeiten der letzten Anmeldung der Benutzer
.RE
.SH "WARNUNGEN"
.PP
Gro\(sse L\(:ucken in den UID\-Zahlen haben zur Folge, dass das Lastlog\-Programm l\(:angere Zeit ohne Bildschirmausgabe l\(:auft\&. Wenn sich z\&.B\&. in der Datenbank von Lastlog kein Eintrag f\(:ur Benutzer mit der UID zwischen 170 und 800 befindet, wird es scheinen, als ob lastlog stehen geblieben ist, w\(:ahrend es die Eintr\(:age mit der UID 171 bis 799 verarbeitet\&.
.PP
Having high UIDs can create problems when handling the
<term> /var/log/lastlog</term>
with external tools\&. Although the actual file is sparse and does not use too much space, certain applications are not designed to identify sparse files by default and may require a specific option to handle them\&.
